Thordsen Customs started in 2008 as a branch of Computer Aided Models Inc. and was established as Thordsen Customs LLC in 2010.  Both companies were founded by Alan Thordsen, a 25+ year veteran of the model making industry and a San Francisco native.

Thordsen Customs originally specialized in custom motorcycle parts however the economic downturn of 2008 limited its success.  As a long time firearms enthusiast, Alan was inspired to help his fellow Californians stay in compliance with the states rapidly changing firearms laws.  This lead to his invention of the Ultimate Bullet Button Tool and eventually the Featureless Rifle Stock.

In 2016 Alan moved both companies out of South San Francisco and into the Sierra Foothills of El Dorado County, near Placerville.  In 2018 Computer Aided Models was consolidated into Thordsen Customs, LLC. 

Today Thordsen Customs is a small, family owned, and operated California business making innovative products to keep rifle owners in compliance with their states gun laws.